{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0ff90b6c20340e57616a51ae1a1bf18156d6638a"
            },
            {
              "fixed": "93ff1594be1aad4da364462dd8db050ebcfda2de"
            },
            {
              "fixed": "eed6997e8dc40593a539fcc722e7ed51b18db86c"
            },
            {
              "fixed": "61c6688be282277c6e91ab286a7acd0ae8681ac6"
            },
            {
              "fixed": "a43cd2b67b91e943273c913237a7a88c50cdcfbc"
            },
            {
              "fixed": "8274cdc5f9c57e17ed77fc4ba76212536c840f25"
            },
            {
              "fixed": "12c1ac230f4ca16e0017b62a963ab75e0b48074f"
            },
            {
              "fixed": "d9e6175a3ee48209ee65f294fc567b4e16b29b74"
            },
            {
              "fixed": "e75a9fa1d44bcbd66ea02e8781bcca6ea4076e0d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.16.0"
            },
            {
              "fixed": "5.10.271"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.222"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.189"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.158"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.112"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.54"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98320.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable: hold reference on ct until flow is released\n\nnf_ct_put() releases the ct-\u003eext area inmediately, the rcu typesafe\nsemantics also allow to refer to the wrong conntrack from the flowtable\ndatapath. Hold reference on ct until flow is released after rcu grace\nperiod.\n\nAdd rcu_barrier() on module exit path, to ensure pending flow entries\nare release before module goes away.",
  "id": "CVE-2026-98320",
  "modified": "2026-10-09T02:30:35.500244423Z",
  "published": "2026-10-06T08:46:14.757Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/12c1ac230f4ca16e0017b62a963ab75e0b48074f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/61c6688be282277c6e91ab286a7acd0ae8681ac6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8274cdc5f9c57e17ed77fc4ba76212536c840f25"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/93ff1594be1aad4da364462dd8db050ebcfda2de"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a43cd2b67b91e943273c913237a7a88c50cdcfbc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d9e6175a3ee48209ee65f294fc567b4e16b29b74"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e75a9fa1d44bcbd66ea02e8781bcca6ea4076e0d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eed6997e8dc40593a539fcc722e7ed51b18db86c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98320.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98320"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "netfilter: flowtable: hold reference on ct until flow is released"
}